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1. 发明专利

JP2009154182A Continuous casting mold 有权
标题翻译：连续铸造模具
公开(公告)号：JP2009154182A
公开(公告)日：2009-07-16
申请号：JP2007334772
申请日：2007-12-26
申请人： Nippon Steel Corp , Nippon Steel Engineering Co Ltd , 新日本製鐵株式会社 , 新日鉄エンジニアリング株式会社
发明人： AZUMA HIROBUMI , FUKUNAGA SHINICHI , OKUMURA HIROHIKO
IPC分类号： B22D11/05 , B22D11/04
摘要： PROBLEM TO BE SOLVED: To provide an continuous casting mold in which a short side member is made movable during casting, and the inside face of the short side member can be deformed so as to be matched with the free shrinkage profile of a solidified shell to be contracted/expanded downward.
SOLUTION: In the continuous casting mold 10 provided with a long side member 11 and a short side member 12 arranged so as to be opposed to each other, in which the short side member 12 is made movable during casting, and the width of a slab can be changed, the mold incoudes: a movement frame 13 whose intermediate part is arranged at the outside of the short side member 12 with a clearance, and connected to the upper part and the lower part of the short side member 12, respectively, and moving together with the short side member 12; and a pressing means 14 fitted to the movement frame 13 and pressing the intermediate position other than the upper part and the lower part in the short side member 12, and the intermediate position of the short side member 12 is pressed, and the internal face of the short side member 12 is changed so as to be made coincident with the free shrinkage profile of a solidified shell 17 whose width is reduced to the lower part.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种连续铸造模具，其中短边构件在铸造过程中可移动，并且短边构件的内表面可以变形以与自由收缩分布匹配凝固壳向下扩张/扩大。解决方案：在设置有长边构件11和短边构件12的连续铸造模具10中，其中短边构件12在铸造过程中可移动地布置成彼此相对，并且宽度模具可以改变，模具包括：移动框架13，其中间部分间隙设置在短边构件12的外侧，并连接到短边构件12的上部和下部，分别与短边构件12一起移动; 以及装配到移动框架13并按压短边构件12中的上部和下部以外的中间位置的按压装置14，并且短边构件12的中间位置被按压，并且内侧面短边构件12被改变成与宽度减小到下部的固化壳17的自由收缩率一致。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2008105042A Method for preheating nozzle for pouring molten steel 有权
标题翻译：用于预浇铸钢筋的喷嘴的方法
公开(公告)号：JP2008105042A
公开(公告)日：2008-05-08
申请号：JP2006288939
申请日：2006-10-24
申请人： Kurosaki Harima Corp , Nippon Steel Corp , 新日本製鐵株式会社 , 黒崎播磨株式会社
发明人： FUKUNAGA SHINICHI , OKUMURA HIROHIKO , TANAKA KAZUHISA , AMANO JIRO , YOSHIJI ONORI , MORIKAWA KATSUMI , MIZOBE ARIHITO
IPC分类号： B22D11/10 , B22D41/56
摘要： PROBLEM TO BE SOLVED: To provide a method for preheating a nozzle for pouring molten steel by which the service life of the nozzle can more drastically be improved than heretofore, a product yield can be improved and refractory cost can be reduced. SOLUTION: In the method for preheating the nozzle 12 for pouring the molten steel, which is composed of the refractory containing ≥5 mass% carbon, in which a passage 10 for allowing the molten steel to flow is formed in the inner part and a fitting 11 to be installed into a continuous casting facility is provided at the base side and through which the molten steel is allowed to flow into a passage 10 after being preheated when being used, a part or the whole of the surface of the nozzle 12 is coated with an oxidizing-preventive material 17 of ≥0.1 mm thickness, then a part or the whole of the surface of the nozzle 12 is covered with a heat-insulating material 18-20, and at least the portion covered with the oxidizing-preventive material 17 on the nozzle 12 is surrounded with a chamber 21, and the nozzle 12 is preheated under atmosphere controlled to be ≤10 vol.% oxygen concentration by blowing non-oxidizing gas in the chamber 21. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于预热浇注钢水的喷嘴的方法，由此喷嘴的使用寿命可以比以前更加显着地改善，可以提高产品产量并降低耐火材料成本。解决方案：在用于浇注由含有≥5质量％碳的耐火材料制成的钢水的喷嘴12的预热方法中，在内部形成有用于使钢水流动的通道10 并且在基底侧设置安装在连续铸造设备中的配件11，并且在使用时预热后允许钢水流入通道10，喷嘴的表面的一部分或全部 12涂覆有厚度≥0.1mm的防氧化材料17，然后用隔热材料18-20覆盖喷嘴12的一部分或全部表面，并且至少覆盖有氧化物喷嘴12上的预热材料17被室21包围，喷嘴12通过在室21内喷射非氧化性气体而控制在≤10体积％氧浓度的气氛中进行预热。版权所有（ C）2008，JPO＆INPIT

3. 发明专利

JP2008174780A Method for producing pseudo molten iron 有权
标题翻译：生产硅酸镁铁的方法
公开(公告)号：JP2008174780A
公开(公告)日：2008-07-31
申请号：JP2007008213
申请日：2007-01-17
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KANEYASU TAKAYUKI , OKUMURA HIROHIKO , KISHIGAMI KIMIHISA
IPC分类号： C21B11/10 , C21C1/02 , C21C1/06
摘要： PROBLEM TO BE SOLVED: To provide a method for producing pseudo molten iron capable of stabilizing desulfurizing efficiency at high level and producing the pseudo molten iron by performing a desulfurize-treatment suitable to various kinds of products to be produced.
SOLUTION: The method for producing pseudo molten iron comprises the processes of: performing temperature control of molten iron which is charged into and held in a treating furnace 10 with an electric-heating apparatus arranged therein; performing desulfurize-treatment to the molten iron; and performing decarburize-refining to the molten iron the components of which are lastly adjusted and which is charged into a finery 11. The molten iron the components of which are adjusted is obtained through the above processes.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过进行适合于各种要制造的产品的脱硫处理来高水平地稳定脱硫效率并制造假铁水的假铁水的制造方法。解决方案：制造假铁水的方法包括以下步骤：通过布置在其中的电加热装置对装入并保持在处理炉10中的铁水进行温度控制; 对铁水进行脱硫处理; 并对最终调整其组分的铁水进行脱碳精炼，并将其装入精料11中。通过上述方法获得其组分被调节的铁水。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2008043981A Method for continuously casting steel 有权
标题翻译：连续铸钢的方法
公开(公告)号：JP2008043981A
公开(公告)日：2008-02-28
申请号：JP2006222544
申请日：2006-08-17
申请人： Nippon Steel Corp , Nippon Steel Weld Prod & Eng Co Ltd , 新日本製鐵株式会社 , 日鐵溶接工業株式会社
发明人： FUKUNAGA SHINICHI , OKUMURA HIROHIKO , KISHIGAMI KIMIHISA , HIRAMOTO YUJI , TABATA KAZUFUMI , KAWAMURA KENJI , IFUKURO JUNICHI
IPC分类号： B22D11/16
摘要： PROBLEM TO BE SOLVED: To provide a method for continuously casting a steel, realizing high efficiency and high productivity by which in the case of performing the casting of a steel kind in a peritectic zone steel of 0.08-0.14 mass% C content having large solidified shrinkage, or the casting of steel kind containing special elements, such as Nb, V, or in the case of high speed casting, the abnormality of solidified shell in fear, particularly, a break-out according to the solidified delay around the corner part of a mold is prevented from happening. SOLUTION: In the method for continuously casting the steel, by which a cast slab is produced while solidifying molten steel supplied into a mold 10 for continuous casting, and drawing downward of the mold 10, the range of 1-20 mm in the plate thickness of the mold 10, an optical fiber sensor 12 is protected with a metal-made pipe material 11 having 0.2-6 mm inner diameter and a cross sectional void rate of this metal-made pipe material 11 is made to be 40-99.7% and provided with a detecting part 15 detectable to the variation of a wave length caused by the temperature variation of the mold 10, is arranged, and with this sensor, the temperature variation is measured. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种连续铸造钢的方法，实现了在0.08-0.14质量％C含量的包晶区钢中进行钢种铸造的情况下的高效率和高生产率具有大的凝固收缩率，或者含有诸如Nb，V等特殊元素的钢种的铸造，或者在高速铸造的情况下，由于担心的凝固壳异常，特别是根据凝固延迟的突出防止模具的角落部分发生。＆lt; P＆gt;解决方案：在连续铸造钢的方法中，在将供给到用于连续铸造的模具10中的钢水固化并且向下拉模具10的同时，生产铸造板坯，其范围为1-20mm 模具10的板厚度，光纤传感器12被内径为0.2-6mm的金属制管材11保护，该金属制管材11的横截面空隙率为40- 设置有由模具10的温度变化引起的波长变化可检测的检测部15，并且利用该传感器测量温度变化。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2008196035A Method for melting cold iron source in mixer with channel-type induction heating apparatus 有权
标题翻译：用通道式感应加热装置搅拌混合器中的冷铁源的方法
公开(公告)号：JP2008196035A
公开(公告)日：2008-08-28
申请号：JP2007035160
申请日：2007-02-15
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KANEYASU TAKAYUKI , OKUMURA HIROHIKO , KISHIGAMI KIMIHISA
IPC分类号： C21C1/06
CPC分类号： Y02P10/212
摘要： PROBLEM TO BE SOLVED: To provide a method for melting a cold-iron source in a metal mixer with a channel-type induction heating apparatus with which the charged cold-iron source can efficiently be carburize-melted by efficiently stirring molten iron in the metal mixer. SOLUTION: In the method for melting the cold-iron source in the metal mixer 13, with which the molten iron 11 is held in the inner part of the cylindrical type furnace body 10 horizontally disposed and when the molten iron 11 is discharged, the molten iron 11 in the inner part is discharged to out of the furnace by rotating the furnace body 10 and further, the channel-type induction heating apparatus 12 for holding and raising the temperature of the molten iron 11 is provided at the lower part excepting just below the furnace body 10 and the cold-iron source is charged and melted; the furnace body 10 has the diameter of 3-8 m inside the furnace of the furnace body 10, the length L of 5-25 m inside the furnace in the axial direction of the furnace body 10, and after making the ratio (D/L) of the maximum depth D of the molten iron 11 in the furnace body 10 charged with the cold-iron source and the length L inside the furnace in the axial direction of the furnace body 10 to be in the range of 0.1-0.4, carbon source is blown into the molten iron 11 in the furnace body 10. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用金属混合器熔化冷铁源的方法，该方法是利用通道型感应加热装置，通过有效地搅拌铁水可以使带电冷铁源有效地渗碳熔化在金属搅拌机中。解决方案：在用于熔化金属混合器13中的冷铁源的方法中，铁水11被固定在圆筒型炉体10的内部水平设置，当铁水11被排出时，通过旋转炉体10将内部的铁水11排出炉外，另外，用于保持和提高铁水11的温度的通道式感应加热装置12设置在下部除了正好在炉体10的下方，冷铁源被充填和熔化; 炉体10在炉体10的炉内直径为3-8μm，炉体内炉长10的长度L为5〜25m，在炉体10的长度方向上的比率（D / 在炉体10内装有冷铁源的铁水11的最大深度D和炉体10的轴向长度L在0.1〜0.4的范围内，碳源被吹入炉体10中的铁水11中。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2005230848A Method and apparatus for continuously casting molten metal 有权
标题翻译：连续铸造金属的方法和装置
公开(公告)号：JP2005230848A
公开(公告)日：2005-09-02
申请号：JP2004041859
申请日：2004-02-18
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： TANI MASAHIRO , HARADA HIROSHI , FUJI TAKEHIKO , MIMURA YOSHITO , OKUMURA HIROHIKO
IPC分类号： B22D11/11 , B22D11/10 , B22D11/108
摘要： PROBLEM TO BE SOLVED: To provide a casting method and a casting apparatus with which regarding the method and the apparatus for continuously casting a cast slab from molten metal, a meniscus state on the molten metal is stabilized and the improving effects of lubrication and surface characteristic of the cast slab can stably be improved by limiting a relation of the distance between the inner wall of a mold and the outer wall of a molten metal pouring nozzle and the penetrating depth into the molten metal of an impressed AC magnetic field.
SOLUTION: In the method for continuously casting the metal cast slab, by which AC is energized to a solenoid type electromagnetic coil disposed so as to surround the mold or to the solenoid type electromagnetic coil embedded into the mold wall and the electromagnetic force is impressed to the molten metal in the mold and the casting is performed while changing the meniscus shape, the shortest distance between the inner wall of the mold and the molten metal pouring nozzle, is changed according to the penetrating depth into the molten metal of the electromagnetic force.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种用于从熔融金属连续铸造铸坯的方法和装置的铸造方法和铸造装置，使熔融金属上的弯液面状态稳定，并且润滑的改善效果通过限制模具的内壁与熔融金属浇注嘴的外壁之间的距离与渗透的AC磁场的熔融金属的穿透深度的关系，能够稳定地提高铸造板的表面特性。解决方案：在连续铸造金属铸造板坯的方法中，通过该方法将AC通电到围绕模具设置的螺线管型电磁线圈或嵌入到模具壁中的螺线管型电磁线圈和电磁力对模具中的熔融金属施加压力，同时改变弯液面形状，模具内壁和熔融金属浇注嘴之间的最短距离根据穿入深度进入熔融金属的渗透深度而进行电磁力。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2011252235A Method for producing pseudo-molten iron 有权
标题翻译：用于生产PSOUDO-MOLTEN IRON的方法
公开(公告)号：JP2011252235A
公开(公告)日：2011-12-15
申请号：JP2011177956
申请日：2011-08-16
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KANEYASU TAKAYUKI , OKUMURA HIROHIKO , KISHIGAMI KIMIHISA
IPC分类号： C21C1/06 , C21C1/02
摘要： PROBLEM TO BE SOLVED: To provide a method for producing pseudo-molten iron, with which efficiency of desulfurization is stabilized at a high level, and besides, with which molten pseudo-molten iron is produced by performing desulfurization treatment suitable for various products to be produced.SOLUTION: A desulfurization treatment process, in which desulfurization treatment of molten iron is performed, is provided between a molten iron holding process in which temperature of molten iron charged in a treatment furnace 10 with an electric heater provided thereto and once stored there, is controlled, and a decarburization refining process in which molten iron with a finally adjusted composition is charged in a refining furnace 11 and decarburization treatment is performed, and the molten iron with an adjusted composition is produced from molten iron via the molten iron holding process and the desulfurization treatment process.
摘要翻译：待解决的问题：提供一种制造假铁水的方法，使脱硫效率稳定在高水平，此外，通过进行适合于各种不同的脱硫处理来制造熔融的假铁水要生产的产品。解决方案：在处理炉10中加入的铁水的温度与设置在其间的电加热器并一次存储在其中的铁水保持过程之间，提供进行铁水脱硫处理的脱硫处理工艺，并且进行在精炼炉11中装入最终调整好的组成的铁水并进行脱碳处理的脱碳精炼工序，经铁水保持工序由铁水生成调整成分的铁水和脱硫处理工艺。版权所有（C）2012，JPO＆INPIT

8. 发明专利

JP2005230847A Method for continuously casting molten metal 有权
标题翻译：连续铸造金属的方法
公开(公告)号：JP2005230847A
公开(公告)日：2005-09-02
申请号：JP2004041858
申请日：2004-02-18
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： TANI MASAHIRO , FUJI TAKEHIKO , UMETSU KENJI , MIMURA YOSHITO , OKUMURA HIROHIKO
IPC分类号： B22D11/11 , B22D11/10 , B22D11/114 , B22D11/16
摘要： PROBLEM TO BE SOLVED: To provide a casting method, by which regarding the method for continuously casting a cast slab from molten metal, a meniscus state on the molten metal is stabilized and improving effects of lubrication and surface characteristic of the cast slab can stably be obtained by changing the dipping depth of a molten metal pouring nozzle according to the distribution of magnetic flux density to the casting direction in a mold.
SOLUTION: In the method for continuously casting the molten metal, by which AC is energized to a solenoid type electromagnetic coil disposed so as to surround the mold or to the solenoid type electromagnetic coil embedded into the mold wall, and the electromagnetic force is impressed to the molten metal in the mold and the casting is performed while changing the meniscus shape, the position of a spouting hole of the molten metal pouring nozzle is adjusted according to the distribution of the magnetic flux density in the casting direction in the mold.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种铸造方法，通过该方法，关于从熔融金属连续铸造铸坯的方法，使熔融金属上的弯液面状态稳定，并且铸造板坯的润滑和表面特性的改善效果可以通过根据在模具中的磁通密度分布到铸造方向改变熔融金属浇注嘴的浸入深度来稳定地获得。解决方案：在连续铸造熔融金属的方法中，通过AC将电力供给到围绕模具设置的螺线管式电磁线圈或嵌入到模具壁中的螺线管型电磁线圈，并且电磁力对模具中的熔融金属施加压力，并且在改变弯液面形状的同时进行铸造，根据模具中的铸造方向上的磁通密度的分布来调整熔融金属浇注嘴的喷射孔的位置。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JPS635857A CONTINUOUS CASTING METHOD FOR STEEL CONTAINING HIGH SILICON 失效
公开(公告)号：JPS635857A
公开(公告)日：1988-01-11
申请号：JP14867586
申请日：1986-06-24
申请人： NIPPON STEEL CORP
发明人： KUSANO AKIHIKO , OKIMORI MAYUMI , OKUMURA HIROHIKO
IPC分类号： B22D11/00 , B22D11/124 , B22D11/22
摘要： PURPOSE:To secure the strength of solidified shell, to eliminate the bulging stress and to prevent the development of internal cracking by cooling strongly cast slab by the prescribed specific water quantity at the upper part of bending part in continuous casting and cooling only center part of cast slab at the lower part of bending part. CONSTITUTION:Steel having >=2.5% Si is cast at >=1.3m/min casting velocity vC by the bending type continuous caster having radius R of curvature. Then, in the upper part 6a of bending part to 6.5m position from the meniscus, the specific water quantity Q, defined to Q=QW/S.vC by spraying quantity QW (l/min) and spraying area S (m ), is secured at average 220 (l/m ) to cool strongly the cast slab 5. In the bending part 6b from 6.5m to the bending finish point, water spraying is executed at only the central part of the cast slab 5 and is not executed at the region of non-cooling zone of edge part.

10. 发明专利

JPH03189056A METHOD FOR CONTROLLING DUMMY BAR HEAD FOR CONTINUOUS CASTING 失效
公开(公告)号：JPH03189056A
公开(公告)日：1991-08-19
申请号：JP32754589
申请日：1989-12-18
申请人： NIPPON STEEL CORP
发明人： FUKUNAGA SHINICHI , OKUMURA HIROHIKO , TASAKA MASARU , MIYAJIMA SADAO
IPC分类号： B22D11/08 , B22D11/16
摘要： PURPOSE:To prevent bending of a cast slab caused by defective separation by discriminating defective shape of dovetailing part at tip part of a dummy bar head under using electric current value for hanging up the dummy bar as reference at the time of separating the dummy bar head from the cast slab. CONSTITUTION:The separation of dummy bar 3 is executed with rotation along inner and outer circumferential faces A, B in the dovetailing part 2b. The electric current value is raised according to separation rotating angle of the dummy bar 3 and the peak value thereof is developed at 70 - 90 deg. angle. In the case of using 1.0 for the max. load current value at the ordinary time, when the load current value becomes more than 2.0, the cast slab is drastically deformed and the trouble is developed. By controlling pattern of the current value and the peak value thereof at the time of separating the dummy bar head from the cast slab, trouble of checking gage and visual examination can be eliminated, and early repairing and disposal treatment can be normalized.

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